Home / 19,695.72-27,179.58-10,743.36

Finding the Fourth Proportional to 19,695.72, 27,179.58 and 10,743.36

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Solution

The fourth proportional to 19,695.72, 27,179.58 and 10,743.36 is: 14,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.72 : 27,179.58 = 10,743.36 : x
  2. Step 2: Convert to fraction form
    19,695.72/27,179.58 = 10,743.36/x
  3. Step 3: Cross multiply
    19,695.72x = 27,179.58 × 10,743.36
  4. Step 4: Simplify right side
    19,695.72x = 292,000,012.59
  5. Step 5: Solve for x
    x = 292,000,012.59/19,695.72
  6. Step 6: Final answer
    x = 14,825.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.